华北集约农区马铃薯地膜覆盖安全期的探讨
秦丽娟，李海萍，刘 秀，严昌荣
Investigation of Potato Safety Period of Plastic Film Mulching in Intensive Agricultural Region of North China
QIN Li-juan, LI Hai-ping, LIU Xiu, YAN Chang-rong
中国农业气象
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2018, (03): 168
-176
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DOI: 10.3969/j.issn.1000-6362.2018.03.004